Education: Hamilton grew up in Chester County in southern Pennsylvania and attended the University of Pennsylvania and St. Mary's University of Law in San Antonio.

Verrazano may be Hamilton’s best-known success a breeder. He is a half-brother to El Padrino, and boasts Grade 1 wins in the Wood Memorial and Haskell Invitational. Hamilton sold Verrazano, who now belongs to a syndicate that includes Let’s Go Stable, Michael Tabor, Mrs. John Magnier, and Derrick Smith. He trains with Todd Pletcher.

Al Khali was Hamilton's third and most recent runner in the Breeders' Cup World Championships as a breeder ... Al Khali was seventh in the 2010 Breeders' Cup Turf and has continued running at the graded stakes level since.

Brahms, who is out of Hamilton’s Queena, competed in the Breeders’ Cup twice – in the Juvenile and in the Mile, finishing off the board in both races. He retired a multiple graded stakes winner and sired Arson Squad, Belltone, Sea Rescue, and Test Boy among others. He currently stands in Arkansas.

Hamilton bred and raced Brahms' dam, Queena, who finished fifth in the 1991 Breeders' Cup Distaff and won three consecutive Grade 1s in the fall of 1991. Queena was named champion older female that year and is Hamilton's only Breeders' Cup runner as an owner.

Other top horses raced include Too Chic, Queena's dam; La Reina and Serra Lake Purchased her first horse – Too Chic – as a yearling at a King Ranch dispersal in 1980 following the death of her grandfather in 1974. She paid $100,000 for the filly. Both Too Chic and Queena won the G1 Maskette. Another of Too Chic's daughters, G1 winner Chic Shirine, produced G2 winners Waldoboro and Tara Roma.

Hamilton said in 2013 that she “generally sells the colts and keeps the fillies” she produces.

Is a member of one of the Thoroughbred industry's most notable families ... Her mother is breeder and owner Helen Groves and three of her five siblings are quite prominent in the business ... Sister Helen owns Middlebrook Farm near Lexington, Ky., where Hamilton boards her broodmares; sister Dorothy Alexander Matz is married to former Olympian Michael Matz, trainer of 2012 Belmont Stakes winner Union Rags and 2006 Kentucky Derby winner Barbaro, and sister Henrietta Alexander George previously trained Thoroughbreds ... Her other siblings are Caroline Alexander Forgason, who owns a Texas ranch, and John Alexander Jr., an investor ... Her grandfather, Robert J. Kleberg Jr., operated King Ranch in Texas and bred and owned 1946 Triple Crown winner Assault and 1950 Kentucky Derby and Belmont Stakes winner Middleground ... Her mother and sister, Helen, raced Acoma, a homebred who won the G1 Spinster and was fifth in the Breeders' Cup Ladies' Classic in 2010.

Practiced law (in the oil and gas section for a firm) for a few years prior to turning to homemaking and motherhood.

NOTE: Stats include North American and selected international races. Click here to view selected international race list.

Biographies on jockeys, trainers and owners are from the Breeders' Cup World Championships events from 2001 through 2009, and are intended as informational resources. Biographies will be updated if an individual is again a participant in the Breeders' Cup World Championships.

Biographies are available for most horses appearing in the top 100 money earnings list, and/or for those who are frequently making headlines in the news starting with the 2006 Triple Crown season.